Two, both sides of the concave lens two scrub BL estimates may be laser cutting and polishing to make, touch here feel smooth words by hand, but the font clear appearance, although the concave is very shallow, but the letters but sharp edge.Handling of the symbol of imitation goods I have seen two kinds: one kind is the imitation of the relatively poor, pure silk screen printing process printed on transparent material, carefully by hand touch can feel is raised; one is the imitation of the more successful, also using laser grinding technology, but poor manufacturability, and genuine a more significant legislation, authenticity.

Three, the right eye lens on white Ray Ban Sunglasses for the screen printing process printed up, positive RayBan Product is very wear-resisting, the mirror at least I used no obvious traces of a grinding machine, to buy more than 20 years ago, wearing more than ten years on the lenses of white Ray.Ban screen logo is still clear and beautiful. But imitation lens on white Ray.Ban normal use after a period of time off was flecked.